42120820287

Names of 42120820287

• Cardinal: 42120820287 can be written as Forty-two billion, one hundred twenty million, eight hundred twenty thousand, two hundred eighty-seven.

Scientific notation

• Scientific notation: 4.2120820287 × 10¹⁰

Factors of 42120820287

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 40

Divisors of 42120820287

• Number of divisors d(n): 210
• Complete list of divisors:
  1 3 7 9 13 17 21 27 39 51 63 81 91 117 119 153 169 189 221 243 273 289 351 357 459 507 567 663 729 819 867 1053 1071 1183 1377 1521 1547 1701 1989 2023 2197 2457 2601 2873 3159 3213 3549 3757 4131 4563 4641 5103 5967 6069 6591 7371 7803 8619 9477 9639 10647 11271 12393 13689 13923 15379 17901 18207 19773 20111 22113 23409 25857 26299 28561 28917 31941 33813 37349 41067 41769 46137 48841 53703 54621 59319 60333 66339 70227 77571 78897 85683 86751 95823 101439 112047 123201 125307 138411 146523 161109 163863 177957 180999 199927 210681 232713 236691 257049 261443 287469 304317 336141 341887 375921 415233 439569 485537 491589 533871 542997 599781 634933 698139 710073 771147 784329 862407 912951 1008423 1025661 1127763 1245699 1318707 1456611 1474767 1601613 1628991 1799343 1904799 2094417 2130219 2313441 2352987 2738853 3025269 3076983 3398759 3737097 3956121 4369833 4444531 4886973 5398029 5714397 6390657 6940323 7058961 8254129 9075807 9230949 10196277 11211291 11868363 13109499 13333593 14660919 16194087 17143191 19171971 20820969 21176883 24762387 27227421 27692847 30588831 35605089 39328497 40000779 48582261 51429573 57778903 63530649 74287161 83078541 91766493 117985491 120002337 145746783 154288719 173336709 190591947 222861483 249235623 275299479 353956473 360007011 462866157 520010127 668584449 825898437 1080021033 1560030381 2005753347 2477695311 3240063099 4680091143 6017260041 14040273429 42120820287
• Sum of all divisors σ(n): 83058267928
• Sum of proper divisors (its aliquot sum) s(n): 40937447641
• 42120820287 is a deficient number, because the sum of its proper divisors (40937447641) is less than itself. Its deficiency is 1183372646

Bases of 42120820287

• Binary: 100111001110100110001011011000111111₂
• Hexadecimal: 0x9CE98B63F
• Base-36: JCLNCXR

Squares and roots of 42120820287

• 42120820287 squared (42120820287²) is 1774163501649750762369
• 42120820287 cubed (42120820287³) is 74729222012743779880085891379903
• The square root of 42120820287 is 205233.5749505913
• The cube root of 42120820287 is 3479.3565851193

Scales and comparisons

• 42,120,820,287 seconds is equal to 1,339 years, 16 weeks, 1 day, 11 hours, 51 minutes, 27 seconds.
• To count from 1 to 42,120,820,287 would take you about two thousand, six hundred seventy-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 42120820287 cubic inches would be around 289.9 feet tall.

Recreational maths with 42120820287

• 42120820287 backwards is 78202802124
• The number of decimal digits it has is: 11
• The sum of 42120820287's digits is 36
• More coming soon!